#include "framelesshelper.h"
#include <QApplication>
#include <QHBoxLayout>
#include <QLabel>
#include <QPushButton>
#include <QVBoxLayout>
#include <QWidget>

int main(int argc, char *argv[])
{
    // High DPI scaling is enabled by default from Qt 6
#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
    QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
    QGuiApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
#endif
#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
#if 0
    QGuiApplication::setHighDpiScaleFactorRoundingPolicy(
        Qt::HighDpiScaleFactorRoundingPolicy::Round);
#else
    // Don't round the scale factor.
    // This will break QWidget applications because they can't render correctly.
    // Qt Quick applications won't have this issue.
    QGuiApplication::setHighDpiScaleFactorRoundingPolicy(
        Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
#endif
#endif

    QApplication application(argc, argv);

    FramelessHelper helper;

    QWidget widget;
    widget.setContentsMargins(0, 0, 0, 0);
    QLabel *label = new QLabel;
    QObject::connect(&widget, &QWidget::windowTitleChanged, label, &QLabel::setText);
    QPushButton *minimizeButton = new QPushButton;
    minimizeButton->setText(QObject::tr("Minimize"));
    QObject::connect(minimizeButton, &QPushButton::clicked, &widget, &QWidget::showMinimized);
    QPushButton *maximizeButton = new QPushButton;
    maximizeButton->setText(QObject::tr("Maximize"));
    QObject::connect(maximizeButton, &QPushButton::clicked, [&widget, &maximizeButton]() {
        if (widget.isMaximized()) {
            widget.showNormal();
            maximizeButton->setText(QObject::tr("Maximize"));
        } else {
            widget.showMaximized();
            maximizeButton->setText(QObject::tr("Restore"));
        }
    });
    QPushButton *closeButton = new QPushButton;
    closeButton->setText(QObject::tr("Close"));
    QObject::connect(closeButton, &QPushButton::clicked, &widget, &QWidget::close);
    QHBoxLayout *tbLayout = new QHBoxLayout;
    tbLayout->setContentsMargins(0, 0, 0, 0);
    tbLayout->setSpacing(0);
    tbLayout->addSpacing(15);
    tbLayout->addWidget(label);
    tbLayout->addStretch();
    tbLayout->addWidget(minimizeButton);
    tbLayout->addWidget(maximizeButton);
    tbLayout->addWidget(closeButton);
    QVBoxLayout *mainLayout = new QVBoxLayout;
    mainLayout->setContentsMargins(0, 0, 0, 0);
    mainLayout->setSpacing(0);
    mainLayout->addLayout(tbLayout);
    mainLayout->addStretch();
    widget.setLayout(mainLayout);
    widget.setWindowTitle(QObject::tr("Hello, World!"));
    helper.setIgnoreObjects(&widget, {minimizeButton, maximizeButton, closeButton});
    helper.removeWindowFrame(&widget);
    widget.resize(800, 600);
    FramelessHelper::moveWindowToDesktopCenter(&widget);
    widget.show();

    return QApplication::exec();
}